Finding the Fourth Proportional to 2,722.17, 4,084.83 and 1,261.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.17 : 4,084.83 = 1,261.25 : x
2. Step 2: Convert to fraction form
   2,722.17/4,084.83 = 1,261.25/x
3. Step 3: Cross multiply
   2,722.17x = 4,084.83 × 1,261.25
4. Step 4: Simplify right side
   2,722.17x = 5,151,971.41
5. Step 5: Solve for x
   x = 5,151,971.41/2,722.17
6. Step 6: Final answer
   x = 1,892.60